Air Filter For STIHL # 41141240800

These foam filters come pre-oiled, so they are ready to install, right out of the box. Filters are 50% oil by weight, and a centrifuge evenly distributes the oil, so there are no dry spots or oil pools. Foam is made from the same pore count as the OEM, and each filter is router cut for precision and free air flow (many competitors filters are "hot wire" cut, which tends to melt the outside and plug pores). Fits the following engines: